Add git_update.sh and adjust update/test hooks

NOTES.md

@@ -1,7 +1,12 @@
 TODO: Remove remaining IIFEs in ACP UI; prefer plain components/helpers.
+Add git_update.sh script to update the forum and core.
+Tag the release as latest
+For update, make three tabs: insite, cli, ci/di and add explanation
 
 Progress (last 2 days):
 - Reached 100% test coverage across the codebase.
 - Added extensive Feature and Unit tests for controllers, models, services, and console commands.
 - Added coverage scripts and cleanup (tests for update/version flows, system update/status, attachments, forums, roles, ranks, settings, portal, etc.).
 - Hardened tests with fakes/mocks to cover error paths and edge cases.
+
+TODO: Make PHP binary path configurable for updates if default PHP is outdated (ACP -> System).